Extra strength lubricity improver> The only Diesel Fuel Additive recommended by all the major Original Equipment Manufacturers (OEMs)! Authorized Stanadyne Dealers:> 1) Diamond Diesel & Turbocharger Service Price above includes: 1 Case of 12 Pints (16 ounce) bottles of additive Each Pint treats 125 gallons of diesel fuel. Each Case treats 1500 gallons of diesel fuel. Recommended Treatment: 4 ounces Lubricity Formula per 30 gallons of fuel BENEFITS OF USING STANADYNE LUBRICITY FORMULA: Approved by Original Equipment Manufacturers (OEMs) Five times more lubricating content than other Stanadyne additives Recommended when excessive wear is a problem Cleans and protects injectors and all fuel systems components Demulsifies water for filter/separator efficiency Fights formation of corrosion and rust Keeps fuel fresher Contains no alcohol Specially formulated for ultra low sulfur diesel Can be used with bio diesel up to B20 (20% bio content) Stanadyne Fuel Additives can be stored for up to 24 months without deteriorating if they are unopened and in a suitable storage environment.